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\bibitem{Greynat_etal2014} Greynat, D., Sesma, J., \& Vulvert, G. (2014). Derivatives of the Pochhammer and reciprocal Pochhammer symbols and their use in epsilon-expansions of Appell and Kampe de Feriet functions. \textit{J. Math. Phys.}, \textit{55}(4), 043501--16pp.

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